CWEA Grade 4 Test Questions and Answers Graded A 2024

AA - atomic absorption AC - power alternating current ac - acre AF - acre-foot (feet) AFY - acre-foot per year AMSA - Association of Metropolitan Sewerage Agencies ANSI - American National Standards Institute APHA - American Public Health Association AS - activated sludge ASCE - American Society of Civil Engineers ASME - American Society of Mechanical Engineers ASTM - American Society for Testing and Materials AWT - advanced wastewater treatment AWWA - American Water Works Association BECP - Business Emergency and Contingency Plan BNR - biological nutrient removal BOD5 - biochemical oxygen demand after 5 days BTU - British thermal unit C - Celsius Cal-OSHA - California Occupational Safety and Health Act Cal-EPA - California Environmental Protection Administration CBOD - carbonaceous biochemical oxygen demand CCE - carbon chloroform extract CCR - California Code of Regulations cf - cubic feet (foot) CFR - Code of Federal Regulations cfs - cubic feet per second CH4 - Methane CIU Categorical Industrial User CIU - Categorical Industrial User CM - common mode CMOM - Capacity Management, Operations, and Maintenance COD - chemical oxygen demand CPU - central processing unit CRWA - California Rural Water Association CT - current transformer CWA - Clean Water Act CWEA - California Water Environment Association